•Intelligent single-chip microcomputer control, advanced plane alcohol sensor. •Quick response and recovery, the alcohol tester responds in 5 seconds and recovers as before after 20 seconds •Direct test process with LCD indication, BAC 0.000%, 0.00%0, mg/l •Digital LCD display with light blue backup, the test result is obvious •Portable and stylish design, the size of the alcohol tester is 112 x 61 x 29mm, compact, and easy to carry •Audio warning that the preset limit is exceeded •With sensor fault self-check function. Power saving design, low voltage indication Specifications: •Sensor type: flat alcohol sensor •Working voltage: DC4.5V 3 x AAA batteries (not included) •Working current: ≤ 120mA •Working environment: Temperature: -10°C to 50°C •Relative humidity: ≤ 95% without condensation •Detection range: 0.001.00mg/L •0.0000.199%BAC; 0.001.90g/L; 0.001.99BAC •Alarm level: 0.25mg/L (0.05%BAC, 0.50g/L; 0.50BAC) •Accuracy: ±10% F.S •Response time: 5s •Recovery time: 20s •Display: 3-digit LCD, light blue backlight •Expected battery time: 200 times Package included: •1 x Alcohol Tester •5 x Mouthpiece •1 x Cloth Bag •1 x English and Chinese Manual